CN102794518B - electrode guider - Google Patents
electrode guider Download PDFInfo
- Publication number
- CN102794518B CN102794518B CN201110137070.8A CN201110137070A CN102794518B CN 102794518 B CN102794518 B CN 102794518B CN 201110137070 A CN201110137070 A CN 201110137070A CN 102794518 B CN102794518 B CN 102794518B
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- steel ball
- jewel
- electrode
- centre bore
- moving body
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Abstract
The invention discloses a kind of electrode guider, for the wire electrode that leads, it comprises guide base, moving body and the some guide clamping-jaws be evenly arranged in guide base, described guide base is provided with centre bore, steel ball is provided with in described moving body, described guide clamping-jaw comprises the jewel that is positioned at centre bore and the jewel fixed claw for installing fixing jewel, a circumscribed cylinder cut with all jewel granddads is provided with in described centre bore, described circumscribed cylinder is the passage of wire electrode, described jewel fixed claw is provided with the skewed slot for steel ball motion, compress jewel fixed claw during described steel ball motion radially to move, change the diameter of circumscribed cylinder.The present invention's moving radially by guide clamping-jaw, thus the adjustment realizing circumscribed cylinder diameter, and then can lead for the wire electrode of different string diameter.
Description
Technical field
The present invention is relevant a kind of electrode guider, particularly relates to a kind of electrode guider of small hole drilling by EDM of variable-diameter.
Background technology
Electrode guider used during spark-erosion perforating machine machining small realizes the guiding of machined electrode and the function of local alignment, guarantees the critical component of stable processing.The structure of the guider used at present is mostly cylindrical guide.On the through hole hole wall of described cylindrical guide matrix, 120 °, interval is inlaid with three jewel guide pillars, and be formed with the circumcircle tangent with three jewel post cylindricals in the through hole of described guider matrix, described circumcircle is the pilot hole of wire electrode.But the guider of this kind of structure can only lead for the wire electrode of corresponding string diameter, the wire electrode that the guider of such as 1mm can only be 1mm for corresponding string diameter leads.Using as needed the wire electrode of other diameters just to need to change guider, so, causing certain wasting of resources.
Therefore, for above-mentioned technical problem, be necessary to provide one to have structure improved electrode guider, to overcome above-mentioned defect.
Summary of the invention
In view of this, the invention provides a kind of electrode guider, moving radially by guide clamping-jaw, thus realize the adjustment of circumscribed cylinder diameter, and then can lead for the wire electrode of different string diameter.
For achieving the above object, the invention provides following technical scheme:
A kind of electrode guider, for the wire electrode that leads, it comprises guide base, moving body and the some guide clamping-jaws be evenly arranged in guide base, described guide base is provided with centre bore, steel ball is provided with in described moving body, described guide clamping-jaw comprises the jewel that is positioned at centre bore and the jewel fixed claw for installing fixing jewel, a circumscribed cylinder cut with all jewel granddads is provided with in described centre bore, described circumscribed cylinder is the passage of wire electrode, described jewel fixed claw is provided with the skewed slot for steel ball motion, compress jewel fixed claw during described steel ball motion radially to move, change the diameter of circumscribed cylinder.
Preferably, in above-mentioned electrode guider, described some guide clamping-jaws move simultaneously, and the diameter of described circumscribed cylinder changes along with jewel fixed claw amount of exercise radially and changes.
Preferably, in above-mentioned electrode guider, described guide base is provided with the gathering sill of evenly arrangement, and described guide clamping-jaw is installed in gathering sill.
Preferably, in above-mentioned electrode guider, the axis of described circumscribed cylinder and the axis collinear of centre bore.
Preferably, in above-mentioned electrode guider, described skewed slot tilts along the direction of advance of steel ball away from centre bore axis, and the distance between described skewed slot center line and centre bore axis is increasing along the direction of advance of steel ball.
Preferably, in above-mentioned electrode guider, also comprise coordinate with moving body can the outer ring of rotating, original place, described moving body moves phase in outer ring pirouette and moves vertically outer ring, thus drives steel ball to move in skewed slot vertically.
Preferably, in above-mentioned electrode guider, be threaded engagement between described outer ring and moving body.
Preferably, in above-mentioned electrode guider, also comprise fixed cap and fixed cap be fixed on guide base to prevent outer ring along the bolt of its axially-movable.
Preferably, in above-mentioned electrode guider, described guide base is provided with a holddown groove, and described outer ring is located in holddown groove.
Preferably, in above-mentioned electrode guider, described moving body also comprises main part, the motion block be connected with main part and the steel ball retainer for installing steel ball, and described steel ball retainer is fixed on motion block.
As can be seen from technique scheme, the embodiment of the present invention moving radially by guide clamping-jaw, thus the adjustment realizing circumscribed cylinder diameter, and then can lead for the wire electrode of different string diameter.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of electrode guider of the present invention;
Fig. 2 is the structural representation of the guide clamping-jaw in electrode guider of the present invention;
Fig. 3 is the structural representation of the moving body in electrode guider of the present invention;
Fig. 4 is the structural representation of the guide base in electrode guider of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be described in detail the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
The invention discloses a kind of electrode guider, can lead for the wire electrode of different string diameter.
Refer to shown in Fig. 1 to Fig. 4, described electrode guider for the wire electrode that leads, it comprise bolt 1, fixed cap 2, can original place rotate outer ring 3, guide base 4, the moving body 5 coordinated with outer ring 3 and three guide clamping-jaws be evenly arranged in guide base 4.In the present embodiment, described guide clamping-jaw is three, certainly in other embodiments, is also not exclusively confined to three according to concrete utilization.
Refer to shown in Fig. 1, fixed cap 2 is fixed on guide base 4 to prevent outer ring 3 along its axially-movable by described bolt 1.Described bolt 1 comprises three, and 120 °, interval is evenly arranged on guide base 4.
Refer to shown in Fig. 1, described outer ring 3 is cylindric and can rotates in original place.The original place rotation of described outer ring 3 can drive moving body 5 relatively to move axially outer ring 3.
Refer to shown in Fig. 1 and Fig. 4, described guide base 4 is provided with centre bore.Described guide base 4 is also provided with a holddown groove 41 and three gathering sills of evenly arranging.Described outer ring 3 is located in holddown groove 41.Described guide clamping-jaw is installed in gathering sill.Described guide base 4 is provided with lubrication groove 10, lubricating oil is put in lubrication groove 10 can lubricate outer ring 3, when rotating to prevent outer ring 3, stuck phenomenon occurs, and ensures the normal use of electrode guider, and the friction reduced between parts, improves the precision of guiding.
Refer to shown in Fig. 1 and Fig. 3, described moving body 5 comprises main part 51, the motion block 52 be connected with main part 51, steel ball 8 and the steel ball retainer 9 for installing steel ball 8.Described steel ball 8 is fixed on steel ball retainer 9.Described steel ball retainer 9 is fixed on motion block 52.Described moving body 5 can move relative to outer ring 3 when rotating in original place, outer ring 3 vertically, and then steel ball 8 is moved in guide clamping-jaw.In the present embodiment, defining steel ball 8 from original position along the direction of moving body axial-movement is direction of advance, and the direction that contrary steel ball 8 moves from an exercise end towards original position is direction of retreat.Threaded engagement between described moving body 5 and outer ring 3.In the present embodiment, described steel ball retainer 9 is plastic materials, and described main part 51 and steel ball 8 are all metal material.In the present embodiment, threaded engagement between described moving body 5 and outer ring 3, certainly in other embodiments, coordinating of cam and cam path can be adopted, the cam path being with curve is designed to by outer ring 3, moving body 5 is designed to strap cam, and described moving body 5 is connected with outer ring 3 and can realizes relatively rotating.This scheme is changed by moving body 5 mobile diameter that just can realize circumscribed cylinder (being detailed later) in cam path, and the friction compared in threaded engagement can decrease, and improves the precision of guider.
Refer to shown in Fig. 1 and Fig. 2, described guide clamping-jaw comprises the jewel 7 that is positioned at centre bore and the jewel fixed claw 6 for installing fixing jewel 7.Described jewel 7 is column type and is embedded in jewel fixed claw 6, the circumscribed cylinder that in described centre bore, formation one is tangent with all jewels 7.Described circumscribed cylinder is the passage of wire electrode.The axis of described circumscribed cylinder and the axis collinear of centre bore.Described jewel fixed claw 6 is provided with the skewed slot moved for steel ball 8, and described skewed slot tilts along the direction of advance of steel ball 8 away from centre bore axis, and the distance between described skewed slot center line and centre bore axis is increasing along the direction of advance of steel ball 8.Due to the gradient of skewed slot, described steel ball 8 can compress jewel fixed claw 6 when moving, and along with moving body 5 continue move axially, radially move so steel ball 8 orders about jewel fixed claw 6 towards centre bore axis direction, because the diameter of circumscribed cylinder controls by jewel 7, and jewel 7 is fixed on jewel fixed claw 6, so the radial motion of jewel fixed claw 6 can make jewel 7 radially move equally, and then change the diameter of circumscribed cylinder, electrode guider can be led for the wire electrode of other diameters.In the present embodiment, described three guide clamping-jaws move simultaneously, and namely jewel 7 moves simultaneously, so arranges, and effectively ensure that the diameter of described circumscribed cylinder changes along with jewel fixed claw 6 amount of exercise radially and changes.
In the present embodiment, described circumscribed cylinder diameter along with jewel fixed claw 6 under the compressing of steel ball 8 radially towards centre bore axis direction more and more near and become more and more less.Setting like this, controls moving radially of guide clamping-jaw by the back and forth movement of steel ball 8 in skewed slot, thus realizes the adjustment of the diameter of circumscribed cylinder, and then can lead for the wire electrode of different string diameter.Further, by the diameter adopting this simple and efficient way to change circumscribed cylinder, the claw of described jewel fixed claw 6 can the jewel 7 of clamping more minor diameter, thus the wire electrode realizing to be less than 0.3mm for guiding diameter leads.In the present embodiment, described jewel fixed claw 6 can adopt stainless steel.Described jewel 7 can adopt sapphire, ruby, glass bar or quartz etc.
Operation principle of the present invention: by turn outer ring 3, original place, outer ring 3 is rotated, the moving body 5 be threaded with outer ring 3 is moved vertically relative to outer ring 3, steel ball 8 on described moving body 5 reciprocates in the skewed slot of jewel fixed claw 6, because the direction of motion of this skewed slot along steel ball 8 tilts away from centre bore axis, distance between described skewed slot center line and centre bore axis is increasing along the direction of motion of steel ball 8, so steel ball 8 athletic meeting in skewed slot compresses jewel fixed claw 6 gradually, jewel fixed claw 6 is radially moved towards centre bore axis direction, and then the radial direction reciprocated with regard to changing guide clamping-jaw into of moving body 5 reciprocates, the diameter of the circumscribed cylinder tangent with all jewels 7 can be controlled with this, because three guide clamping-jaws move simultaneously, thus by the round axially-movable of moving body 5, make can become large with three tangent diameter of a circles of jewel 7 cylindrical or diminish, achieve the variable diameters guide function of guider.
Electrode guider of the present invention is easy to manufacture, guiding accuracy is high, and can lead for the wire electrode of different guiding diameter.Electrode guider of the present invention is provided with graduation apparatus on outer ring 3, guide base 4 is provided with groove, each scale value on graduation apparatus represents the diameter of corresponding iontophoresis electrode silk, each scale value has groove corresponding thereto, when rotating outer ring 3, after scale value on outer ring 3 is corresponding with corresponding groove, represent the wire electrode that can insert corresponding scale value diameter.
Electrode guider of the present invention designs a skewed slot tilted and moves for steel ball 8 on jewel fixed claw 6, jewel fixed claw 6 can be compressed when steel ball 8 moves, and along with moving body 5 continue move axially, radially move so steel ball 8 orders about jewel fixed claw 6 towards centre bore axis direction, because the diameter of circumscribed cylinder controls by jewel 7, and jewel 7 is fixed on jewel fixed claw 6, so the radial motion of jewel fixed claw 6 can make jewel 7 radially move equally, and then change the diameter of circumscribed cylinder, electrode guider can be led for the wire electrode of other diameters.
The diameter of the circumscribed cylinder of electrode guider of the present invention along with jewel fixed claw 6 under the compressing of steel ball 8 radially towards centre bore axis direction more and more near and become more and more less.Setting like this, controls moving radially of guide clamping-jaw by the back and forth movement of steel ball 8 in skewed slot, thus realizes the adjustment of the diameter of circumscribed cylinder, and then can lead for the wire electrode of different string diameter.Further, by the diameter adopting this simple and efficient way to change circumscribed cylinder, the claw of described jewel fixed claw 6 can the jewel 7 of clamping more minor diameter, thus the wire electrode realizing to be less than 0.3mm for guiding diameter leads.
Electrode guider of the present invention is provided with lubrication groove 10, lubricating oil is put in lubrication groove 10 can lubricate outer ring 3, when rotating to prevent outer ring 3, stuck phenomenon occurs, and ensures the normal use of electrode guider, and the friction reduced between parts, improves the precision of guiding
Fixed cap 2 is fixed on guide base 4 by arranging bolt 1 by electrode guider of the present invention, so arranges and outer ring 3 can be prevented along its axially-movable.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an electrode guider, for the wire electrode that leads, it is characterized in that, comprise guide base (4), moving body (5) and the some guide clamping-jaws be evenly arranged in guide base (4), described guide base (4) is provided with centre bore, steel ball (8) is provided with in described moving body (5), described guide clamping-jaw comprises the jewel (7) that is positioned at centre bore and the jewel fixed claw (6) for installing fixing jewel (7), a circumscribed cylinder cut with all jewels (7) granddad is provided with in described centre bore, described circumscribed cylinder is the passage of wire electrode, described jewel fixed claw (6) is provided with the skewed slot moved for steel ball (8), compress jewel fixed claw (6) during described steel ball (8) motion radially to move, change the diameter of circumscribed cylinder.
2. electrode guider according to claim 1, is characterized in that, described some guide clamping-jaws move simultaneously, and the diameter of described circumscribed cylinder changes along with jewel fixed claw (6) amount of exercise radially and changes.
3. electrode guider according to claim 1, is characterized in that, described guide base (4) is provided with the gathering sill of evenly arrangement, and described guide clamping-jaw is installed in gathering sill.
4. electrode guider according to claim 1, is characterized in that, the axis of described circumscribed cylinder and the axis collinear of centre bore.
5. electrode guider according to claim 1, is characterized in that, described skewed slot tilts along the direction of advance of steel ball away from centre bore axis, and the distance between described skewed slot center line and centre bore axis is increasing along the direction of advance of steel ball.
6. electrode guider according to claim 1, it is characterized in that, also comprise coordinate with moving body (5) can the outer ring (3) of rotating, original place, described moving body (5) rotates phase and moves vertically outer ring (3) in outer ring (3) original place, thus drives steel ball (8) to move in skewed slot vertically.
7. electrode guider according to claim 6, is characterized in that, is threaded engagement between described outer ring (3) and moving body (5).
8. electrode guider according to claim 6, it is characterized in that, also comprise fixed cap (2) and fixed cap (2) be fixed on guide base (4) to prevent outer ring (3) along the bolt (1) of its axially-movable.
9. electrode guider according to claim 6, is characterized in that, described guide base (4) is provided with a holddown groove (41), and described outer ring (3) are located in holddown groove (41).
10. electrode guider according to claim 1, it is characterized in that, described moving body (5) also comprises main part (51), the motion block (52) be connected with main part (51) and the steel ball retainer (9) for installing steel ball (8), and described steel ball retainer (9) is fixed on motion block (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110137070.8A CN102794518B (en) | 2011-05-25 | 2011-05-25 | electrode guider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110137070.8A CN102794518B (en) | 2011-05-25 | 2011-05-25 | electrode guider |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102794518A CN102794518A (en) | 2012-11-28 |
| CN102794518B true CN102794518B (en) | 2015-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110137070.8A Expired - Fee Related CN102794518B (en) | 2011-05-25 | 2011-05-25 | electrode guider |
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| Country | Link |
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| CN (1) | CN102794518B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105149709B (en) * | 2015-10-12 | 2018-03-27 | 天津瑞福天科模具有限公司 | A kind of electrode regulating tool |
| CN105382361A (en) * | 2015-11-30 | 2016-03-09 | 苏州市汇峰机械设备有限公司 | Guider for molybdenum wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0191146A2 (en) * | 1984-11-16 | 1986-08-20 | Mitsubishi Denki Kabushiki Kaisha | Wire guide device for electrical-discharge machining, and discharge-machining apparatus including such a device |
| US5214260A (en) * | 1991-04-03 | 1993-05-25 | Fort Wayne Wire Die, Inc. | Electrical discharge machine wire electrode guiding device |
| WO1994029060A1 (en) * | 1993-06-16 | 1994-12-22 | Basix Technologies Ltd. | Current pickup indexing apparatus |
| CN100591453C (en) * | 2005-04-01 | 2010-02-24 | 罗伯特·博世有限公司 | Mechanical electrode guide for use in spark erosion machining |
| CN202180271U (en) * | 2011-05-25 | 2012-04-04 | 苏州大学 | Electrode guider |
-
2011
- 2011-05-25 CN CN201110137070.8A patent/CN102794518B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0191146A2 (en) * | 1984-11-16 | 1986-08-20 | Mitsubishi Denki Kabushiki Kaisha | Wire guide device for electrical-discharge machining, and discharge-machining apparatus including such a device |
| US5214260A (en) * | 1991-04-03 | 1993-05-25 | Fort Wayne Wire Die, Inc. | Electrical discharge machine wire electrode guiding device |
| WO1994029060A1 (en) * | 1993-06-16 | 1994-12-22 | Basix Technologies Ltd. | Current pickup indexing apparatus |
| CN100591453C (en) * | 2005-04-01 | 2010-02-24 | 罗伯特·博世有限公司 | Mechanical electrode guide for use in spark erosion machining |
| CN202180271U (en) * | 2011-05-25 | 2012-04-04 | 苏州大学 | Electrode guider |
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| Publication number | Publication date |
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| CN102794518A (en) | 2012-11-28 |
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Granted publication date: 20150930 Termination date: 20180525 |
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| CF01 | Termination of patent right due to non-payment of annual fee |